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MORA Debris Flow Hazard - View Day

Daily Debris Flow Hazard (DFH) for Sunday, February 6, 2022

[ Saturday, February 5, 2022 | Index | Today | Monday, February 7, 2022 ]

DAY 129 OF WATER YEAR 2022, FORECAST LAST UPDATED 02/07/2022 07:00:03 AM
According to the database, there were no geologic events (floods, debris flows, outburst floods, etc) on this day.

THIS DAY'S DEBRIS FLOW HAZARD CLASS:
L
LOW

MODEL USED FOR HAZARD CLASS DETERMINATION:

WET

MODEL VARIABLES AND OUTPUT:
Temperature at Paradise MAXIMUM TEMPERATURE (Tmax): 50.35°F
MINIMUM TEMPERATURE (Tmin): 35.00°F
AVERAGE TEMPERATURE (Tavg): 42.67°F

MAXIMUM TEMPERATURE PERCENTILE (Tmax percentile): 0.958
Maximum Percentile on this day is based on 16 years of historic (1917-2017) records:

DEBRIS FLOW HAZARD MODEL:


Click to zoom in
Degree Days above 32°F
(DD32)
TODAY'S DD32: 18
18-DAY CUMULATIVE DD32: 146

DD32 is calculated as: DD32 = TMAX - 32
18-day Cumulative DD32 is the sum of DD32 for the last 18 days.
Precipitation at Paradise DAY 1: 0.00 in
DAY 1-3 (P3): 0.56 in
DAY 4-15 (P15): 3.61 in
18-DAY TOTAL (P18): 4.17 in

PRECIP THRESHOLD A (PA) EXCEEDED: True
P3 > (-0.67 * P15 + 2.5)

PRECIP THRESHOLD B (PB) EXCEEDED: False
P3 > (-0.67 * P15 + 4.5)
Snow at Paradise DEPTH: 109 in
SWE DAY: 37
CALCULATED SNOW DENSITY: 374.04 kg/m3
CALCULATED SWE: 40.88 in

SWE Day, Calculated Snow Density, and Calculated SWE based on work by Sturm and others (2010)
If Tavg > 32°F, snow melt is factored in at: M (in) = a(Tavg - T32), where a is between 0.0766 - 0.1312 in * °F-1 * day-1 (Currently 0.1039) and T32 = 32°F. This method is from Westerstrom (1982) in Kustas and others (1994) and converted to US customary units.
Seasonal Variables DAYS SINCE JULY 11: -155

July 11 is the average snow melt-out day (where snow depth goes down to 0 in) at Paradise
Calculated Variables D0: 5
D1: 1
D2: 1
D3: 3
D4: 1
D5: 2
HSdry: 10.5

These are primarly for the Dry-weather debris flow hazard model, but calculated every day.
HSdry = (([D0 + D1 + D2] * D3) * D4) / D5
See model (right) to figure out how D0 - D5 are calculated.
Notes

UPDATE HISTORY AND MODEL OUTPUT NOTES:
You can also use this to see how the forecast changes over time. Note that "FORECAST" is the forecasted model whereas "OBSERVED" is the actual observed values for that day.
Show/Hide: Observation | Forecast | Notes | Status

D TYPE WY DOFWY DS0SP T_MAX T_MIN T_AVG SP P1 P3 P15 P18 PA PB DD32 DD32_18 SWE_DAY SNOW_P SWE T_MAX_PERC T_MAX_PERC_YRS D0 D1 D2 D3 D4 D5 HS_DRY FCST_TYPE HAZ_CLASS
2022-02-07 07:00:03OBSERVATION2022129-15550.3499235.0000642.67499109.3026029166700.563.614.17TF18.34992146.3499237374.0421884125 40.8837847941320.9575034627336616 51131210.5WETL
2022-02-07 03:00:05OBSERVATION2022129-15550.3499235.0000642.67499109.3026029166700.563.614.17TF18.34992146.3499237374.0421884125 40.8837847941320.9575034627336616 51131210.5WETL
2022-02-06 11:00:02FORECAST2022129-15549.3440.1944.765110.0788120.00480.56483.614.1748TF17.34145.3437374.4831052057741.2226553351220.94651502223051651131210.5WETL
2022-02-06 07:00:05FORECAST2022129-15549.4436.5943.015110.107210.00440.56443.614.1744TF17.44145.4437374.4992198907441.2350642493460.947694353698671651131210.5WETL
2022-02-06 03:00:05FORECAST2022129-15546.1934.9640.575110.145804666670.00270.56273.614.1727TF14.19142.1937374.5211188970941.251930005580.897572139327741651131210.5WETL
2022-02-05 23:00:02FORECAST2022129-15548.6837.3643.02108.8453306666700.423.614.03TF16.68147.6837373.7820328885640.6844289670140.93819687730293165112127WETL
2022-02-05 19:00:02FORECAST2022129-15549.3636.6843.02108.8389346666700.423.614.03TF17.36148.3637373.7783918743540.6816419730240.94675255334251165112127WETL
2022-02-05 15:00:02FORECAST2022129-15549.3536.1442.745108.8381693333300.423.614.03TF17.35148.3537373.7779561934740.6813084892520.94663389217398165112127WETL
2022-02-05 11:00:02FORECAST2022129-15549.436.1442.77108.60304800.423.614.03TF17.4148.437373.6440686987240.5788847278030.94722511474944165112127WETL
2022-02-05 07:00:09FORECAST2022129-15549.1135.8542.48109.0737025709400.423.614.03TF17.11147.1137373.9119980980140.7839660682490.94372287796658165112127WETL
2022-02-05 03:00:05FORECAST2022129-15549.3935.6542.52109.018185872700.433.614.04TF17.39148.3937373.8804107822140.7597641168140.94710728643929165112127WETL
2022-02-04 23:00:02FORECAST2022129-15549.6335.4942.56107.7217450257900.363.613.97TF17.63149.6337373.1415073695440.1954543153990.94987830893589165112127DRYL
2022-02-04 19:00:03FORECAST2022129-15549.6735.7542.71107.782171220900.363.613.97TF17.67148.6737373.1760012257140.2217196596410.95032872354052165112127DRYL
2022-02-04 15:00:02FORECAST2022129-15549.3135.742.505107.8184922960100.363.613.97TF17.31148.3137373.196732301240.2375090065120.94615715751149165112127DRYL
2022-02-04 11:00:03FORECAST2022129-15548.9336.0442.485109.2363011200900.373.613.98TF16.93148.9337374.0044861132140.8548666653280.94145884958521165112127DRYL
2022-02-04 07:00:06FORECAST2022129-15549.1736.2242.695109.7775362036100.453.614.06TF17.17148.1737374.3120721120141.0910570477250.94446207404638165112127WETL
2022-02-04 03:00:07FORECAST2022129-15548.463642.23109.9221336856600.483.614.09TF16.46147.4637374.3941758721741.1542066513540.93521090745073165112127WETL
2022-02-03 23:00:02FORECAST2022129-15547.6935.8141.75108.6505407399600.473.163.63TF15.69154.6937373.6711194098340.5995691827860.92387588029471165112127DRYL
2022-02-03 19:00:02FORECAST2022129-15545.4934.4439.965108.843244679200.473.163.63TF13.49151.4937373.7808454169440.6835200141140.88325932896671165112127DRYL
2022-02-03 15:00:02FORECAST2022129-15544.9432.9138.925108.8082316312600.453.163.61TF12.94152.9437373.7609129100840.6682639866320.87106211148503165112127DRYL
2022-02-03 11:00:03FORECAST2022129-15544.4532.6638.555109.0771609102700.473.163.63TF12.45152.4537373.9139656407240.7854737967890.85947654632936165112127DRYL
2022-02-03 07:00:07FORECAST2022129-15540.0832.7436.41109.6802391921100.513.253.76TF8.08146.0837374.2568090131141.0485763318320.72625430395025164113129DRYL
2022-02-03 03:00:07FORECAST2022129-15544.4832.6838.58110.214182442710.00040.51043.43.9104TF12.48151.4837374.5599118720341.2818144627910.860205496257711651131210.5DRYL
2022-02-02 23:00:03FORECAST2022129-15543.4132.6538.03111.1691560934900.473.824.29TF11.41156.4137375.1009964746641.6996612279160.83261279809613164112126WETL
2022-02-02 19:00:03FORECAST2022129-15539.3833.136.24111.075785054010.00060.45063.84.2506TF7.38153.3837375.0481506530141.6587677668370.70028908545947164112126WETL
2022-02-02 15:00:03FORECAST2022129-15543.6732.1537.91111.264140291150.00060.45063.834.2806TF11.67153.6737375.1547424478841.7412698946130.83961960178767164112126WETL
2022-02-02 11:00:02FORECAST2022129-15544.632.1938.395112.181403813840.00020.43023.834.2602TF12.6153.637375.6731012574342.1435358741560.86309563506644165112127WETL
2022-02-02 07:00:04FORECAST2022129-15546.8431.939.37108.892471592310.00040.42043.744.1604TF14.84156.8437373.8088667082140.7049713989770.90968244151936165112127WETL
2022-02-02 03:00:06FORECAST2022129-15540.5431.936.22109.607278120660.00040.42043.674.0904TF8.54149.5437374.2153593655241.0167269710.74268973391468164112126WETL
2022-02-01 23:00:02FORECAST2022129-15546.1532.2139.18108.0746076354700.43.684.08TF14.15157.1537373.3428616474340.3488832860490.89679018744937165112127WETL
2022-02-01 19:00:03FORECAST2022129-15546.1532.7639.455107.7336279270600.383.634.01TF14.15156.1537373.1482910559340.2006191502360.89679018744937165112127WETL
2022-02-01 15:00:04FORECAST2022129-15546.2132.7639.485107.7156319541300.413.684.09TF14.21159.2137373.1380174719340.19279735810.89796150118257165112127WETL
2022-02-01 11:00:02FORECAST2022129-15544.0232.5738.295108.1625602903800.373.784.15TF12.02161.0237373.3930220514240.3871452596450.84874547979227164112126WETL
2022-02-01 07:00:07FORECAST2022129-15544.1932.0138.1108.5455180073500.333.744.07TF12.19152.1937373.6112966414740.5538317273450.85305126044634165112127WETL
2022-02-01 03:00:05FORECAST2022129-15544.2832.0238.15107.6338067087100.343.643.98TF12.28158.2837373.0912989580740.1572367567540.85529727627654165112127DRYL
2022-01-31 23:00:02FORECAST2022129-15544.4730.9437.70599.53301904900800.353.443.79TF12.47160.4737368.4177180636336.6697277500190.85996279828096165112127DRYL
2022-01-31 19:00:02FORECAST2022129-15544.4832.5838.5399.63658934775600.453.353.8TF12.48156.4837368.4780796968436.7138991104040.86020549625771165112127DRYL
2022-01-31 15:00:03FORECAST2022129-15544.3832.4138.39599.88486987364500.33.323.62TF12.38164.3837368.6227150135436.8198319215970.85776567174897165112127DRYL
2022-01-31 11:00:03FORECAST2022129-15545.2631.5838.42102.383685088740.0060.3763.293.666TF13.26155.2637370.0733274153637.8894710138360.87826171358933165112127DRYL
2022-01-31 07:00:06FORECAST2022129-15546.1433.0339.585104.3394930646100.253.493.74TF14.14153.1437371.2023073146638.7310605696250.89659402614029165112127DRYL
2022-01-31 03:00:05FORECAST2022129-15546.1933.0339.61106.4444261253200.353.633.98TF14.19150.1937372.4111189702839.641087841480.89757213932774165112127DRYL
2022-01-30 23:00:03FORECAST2022129-15545.4531.738.575106.8490176066700.423.794.21TF13.45153.4537372.6427263790239.8165092318710.88240075758826165112127WETL
2022-01-30 19:00:04FORECAST2022129-15544.932.4238.66106.8404885199800.413.764.17TF12.9155.937372.6378463795739.8128095482270.87014187876206165112127WETL
2022-01-30 15:00:02FORECAST2022129-15544.8532.2938.57106.6763586290500.413.734.14TF12.85153.8537372.5439172800139.7416285248330.86898522571164165112127WETL
2022-01-30 11:00:03FORECAST2022129-15535.6829.7532.715109.5336248029400.23.733.93TF3.68151.6837374.1735086565440.9845807083860.54855332936672163112125DRYL
2022-01-30 07:00:06FORECAST2022129-15533.6530.6832.165109.1766880440400.033.813.84TF1.65142.6537373.9705819116840.8288695590180.46048273275769162111122DRYL
2022-01-30 03:00:05FORECAST2022129-15533.6533.4733.56109.0540790143900.033.813.84TF1.65145.6537373.9008333990640.7754110290460.46048273275769162111122DRYL